28607

Properties

Appears in sequences

• Least prime in A031930 (lesser of 12-twins) whose distance to the next 12-twin is 2*n.at n=6A052355
• Primes p such that (p-1)/2 and (p-3)/4 are also prime.at n=36A066179
• Primes of the form 16*k-1 such that 4*k-1 and 8*k-1 are also primes.at n=19A101793
• Primes arising from A249567.at n=19A249568
• Intersection of A013917 and A071150.at n=18A255017
• Primes equal to the sum of both two and three successive semiprimes.at n=24A255897
• Numbers m such that Conv(b,m) = b has a unique nontrivial solution (b = 0 and b = 1 are considered trivial solutions). Here, Conv(b,m) denotes the limit of b^^t (mod m) as t goes to infinity.at n=23A347561
• Integers k such that A005245(m*k) < A005245(k) for some m.at n=11A380464
• Prime numbersat n=3114